Home / Cutters / Milling / End Mill, Ball, 4 Flute, 3/8, Niagara NOS End Mill, Ball, 4 Flute, 3/8, Niagara NOS$21.00 Category: Milling Description Description Four Flute Ball Endmill, Co- Titanium Nitride, $21.00 each Related products End Mill, Ball, Hss, 4 Flute, Extra Long, 5/8″, Import (3 Available) $8.00 Read more End Mill, 2 Flute, 1/4″ Diameter, Spain, NOS (2 Available) $8.00 Read more Counterbore, Capscrew, 3/8″ $14.00 Read more End Mill, 4 Flute, 6mm, Spain, NOS $6.00 Read more